Guess who was so kind to provide the following info, which I am merely transmitting:
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Three Mörners were present at Stralsund:
Stralsund Division 6.xi.1805:
1 brigade: grefve Karl Mörner, 1.xii.1755 - 24.vi.1821: https://sok.riksarkivet.se/sbl/Presentation.aspx?id=8706&forceOrdinarySite=true
2 brigade: öfverste Gustaf Fredrik Mörner, 11.x.1768 - 19.i.1841: http://runeberg.org/sbh/b0166.html
3 brigade: öfverste friherre Johan Henric Tawast, 31.vii.1763 - 11.vii.1841: https://archive.org/stream/Anrep_Svenska_adelns_attartaflor_4_1864#page/n357/mode/1up/search/Tawast
4 brigade: öfverste Eberhard Ernst Gotthard friherre von Vegesack, 28.iii.1763 - 30.x.1818: https://de.wikipedia.org/wiki/Eberhard_Ernst_Gotthard_von_Vegesack
Kavalleribrigaden: grefve Hampus Elof Mörner, 9.ix.1763 - 24.ii.1824: http://runeberg.org/sbh/b0166.html
Artilleribrigaden: öfverste Johannes (Johan) Norby [Norrby], 30.iv.1754 (Visby) - 21.ii.1807 (Stralsund) (Wendes artilleriregemente) : http://www.tjelvar.se/biografica/akter-1/1448.htm see: https://books.google.com/books?id=eCtEAAAAYAAJ&pg=PA156
“... artilleriöfversten Johan Norby, som stupade 1807 utanför Stralsund ...”: http://runeberg.org/bygder/0396.html
The first one, Carl Carlsson Mörner, was present at Lübeck. See: http://huweschap.com/article/slag-van-lbeck